Astra Linux – Vulnerability in Tomcat9

A flaw in improper authentication in Apache Tomcat allowed for a replay attack on the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat versions: 11.0.0-M1 through 11.0.22, 10.1.0-M1 through 10.1.55, 9.0.13 through 9.0.18, 8.5.38 through 8.5.100, and 7.0.100 through...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not log conflicting inodes if it’s a directory that was moved during the current transaction. We cannot log an conflicting inode if it’s a directory that was moved from one parent directory to another parent directory...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel up to version 6.2.7, fs/ntfs3/inode.c contains an invalid kfree function because it does not validate the MFT flags before replaying logs...

Astra Linux – Vulnerability in dovecot

Dovecot OTP authentication is vulnerable to replay attacks under certain conditions. If the auth cache is enabled, and the username is changed in passdb, then the OTP credentials can be cached, making the same OTP response valid. An attacker who can observe the OTP exchange can log in as the user...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition between rename operations and directory logging. We have a race condition between a rename operation and directory inode logging. If this race condition occurs, and the system crashes or loses power...

Astra Linux – Vulnerability in Tomcat9

Authentication Bypass due to a capture-replay vulnerability in Apache Tomcat’s DIGEST authenticator. If a client makes a DIGEST authenticated request with a nonceCount value exceeding the upper boundary of the replay window before windowSize requests have been made, that request can be replayed...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Update sjournalinum if it changes after journal replay. When mounting a custom-extracted ext4 image, sjournalinum may change after journal replay. This is clearly unreasonable, as we have successfully loaded and replayed th...

Astra Linux – Vulnerability in Thunderbird

An OpenPGP digital signature includes information about the date when the signature was created. When displaying an email that contains a digital signature, the email’s date will be displayed. If the dates are different, then Thunderbird does not report the email as having an invalid signature. I...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Regenerate the buddy structure after block freeing fails when under fc replay. This fix primarily reverts to commit 6bd97bf273bd “ext4: Remove redundant mbregeneratebuddy”, and reintroduces the function mbregeneratebuddy...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in the Linux kernel, specifically in the logreplay function within fs/ntfs3/fslog.c in the NTFS journal. This flaw allows a local attacker to crash the system and causes a kernel information leak...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: A memory leak has been fixed in ocfs2mountvolume. There is a memory leak reported by kmemleak: - Unreferenced object: 0xffff88810cc65e60 size: 32 - Command: “mount.ocfs2”, PID: 23753, Jiffies: 4302528942 Age: 34735.105s...

SUSE-SU-2026:4139-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address headers From, To, Cc, Bcc, etc. could be excessively CPU intensive bsc1229184. - CVE-2024-23185: large headers can cause resource exhaustion when parsing message bsc1229183. -...

tomcat: Apache Tomcat: Replay attack via improper authentication in EncryptionInterceptor

A flaw was found in Apache Tomcat. An improper authentication vulnerability in the EncryptionInterceptor component allows a remote attacker to perform a replay attack. This could lead to unauthorized access or manipulation of data within the cluster component...

CVE-2026-54155: Improper Verification of Cryptographic Signature

node-opcua is an OPC UA implementation for TypeScript and Node.js. Prior to 2.166.0, the UserNameIdentityToken authentication handler in packages/node-opcua-server/source/opcuaserver.ts decrypts an RSA-OAEP password blob but does not verify that the trailing bytes match the current session...

CVE-2026-50157: Use of GET Request Method With Sensitive Query Strings

Auth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs. From 5.0.0-BETA0 until 5.9.0, the Authorizer::authenticate and Authorizer::supports paths in the Authorizer security authenticator may accept OAuth 2.0 bearer access tokens from the token URL query parameter as well as t...

Analyzing Multi-Factor Authentication through Cryptographic Security Properties

Modern authentication systems use cybersecurity techniques to validate the identity of the person or applications acting on behalf of the person as a primary defense against unauthorized access. While initially built around single mechanisms such as usernames/passwords, physical tokens, or...

SUSE CVE-2026-89617

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate dirty page table on log replay Each DIRPAGEENTRY ends in a pagelcns array whose length is the on-disk lcnsfollow field. checkrstbl validates the table bookkeeping but never checks that this array fits in the...

Linux Distros Unpatched Vulnerability : CVE-2026-89664

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: release OPEN-decoded posix ACLs via oprelease nfsd4decodecreatehow4 calls nfsd4decodefattr4, which allocates refcounted struct posixacl objects via...

Linux Distros Unpatched Vulnerability : CVE-2026-89617

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/ntfs3: validate dirty page table on log replay Each DIRPAGEENTRY ends in a pagelcns array whose length is the on-disk lcnsfollow field. checkrstbl validates...